powerpc64/xics: Fix comment typo
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=339519
@ -143,7 +143,7 @@ static driver_t xics_driver = {
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/* We can only pass physical addresses into OPAL. Kernel stacks are in the KVA,
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* not in the direct map, so we need to somehow extract the physical address.
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* However, pmap_kextract() takes locks, which is forbidden in a critical region
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* (which PMAP_DISPATCH() operates in). The kernel is mapped into the Direct
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* (which PIC_DISPATCH() operates in). The kernel is mapped into the Direct
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* Map (0xc000....), and the CPU implicitly drops the top two bits when doing
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* real address by nature that the bus width is smaller than 64-bits. Placing
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* cpu_xirr into the DMAP lets us take advantage of this and avoids the
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